π → lνγ form factors at two-loop

Research output: Contribution to journalArticle

Abstract

Within Chiral Perturbation Theory (CHPT) we compute the form factors A, V and γ = A/V in the π → lνγ decay to O(p6). A and γ obtain corrections of order 25%.

Details

Authors
External organisations
  • Nordic Institute for Theoretical Atomic Physics (NORDITA), Copenhagen
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Subatomic Physics

Keywords

  • Chiral perturbation theory, Pion, Radiative decay
Original languageEnglish
Pages (from-to)387-404
Number of pages18
JournalNuclear Physics B
Volume489
Issue number1-2
Publication statusPublished - 1997 Mar 31
Publication categoryResearch
Peer-reviewedYes
Externally publishedYes